package cn.itsource.ymcc.service.impl;

import cn.itsource.ymcc.domain.AlipayInfo;
import cn.itsource.ymcc.domain.PayOrder;
import cn.itsource.ymcc.dto.AlipayNotifyDto;
import cn.itsource.ymcc.dto.PayApplyDto;
import cn.itsource.ymcc.dto.PayNotifyDto;
import cn.itsource.ymcc.exception.GlobalException;
import cn.itsource.ymcc.mapper.PayOrderMapper;
import cn.itsource.ymcc.service.IAlipayInfoService;
import cn.itsource.ymcc.service.IPayOrderService;
import cn.itsource.ymcc.util.AssertUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alipay.easysdk.factory.Factory;
import com.alipay.easysdk.kernel.Config;
import com.alipay.easysdk.kernel.util.ResponseChecker;
import com.alipay.easysdk.kms.aliyun.credentials.utils.StringUtils;
import com.alipay.easysdk.payment.common.models.AlipayTradeCloseResponse;
import com.alipay.easysdk.payment.common.models.AlipayTradeRefundResponse;
import com.alipay.easysdk.payment.page.Client;
import com.alipay.easysdk.payment.page.models.AlipayTradePagePayResponse;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.jayway.jsonpath.Criteria;
import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.client.producer.LocalTransactionState;
import org.apache.rocketmq.client.producer.SendStatus;
import org.apache.rocketmq.client.producer.TransactionSendResult;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Primary;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;

import javax.swing.text.html.parser.Entity;
import java.util.Date;
import java.util.Map;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author whale.chen
 * @since 2022-07-31
 */
@Service
@Slf4j
public class PayOrderServiceImpl extends ServiceImpl<PayOrderMapper, PayOrder> implements IPayOrderService {
    @Autowired
    private IAlipayInfoService alipayInfoService;
    @Autowired
    private RocketMQTemplate rocketMQTemplate;

    @Override
    public PayOrder  selectByOrderNo(String orderNo) {
        Wrapper<PayOrder> wrapper = new EntityWrapper<>();
        wrapper.eq("order_no",orderNo);
        return selectOne(wrapper);

    }
    /**
     * 1.参数空校验  JSR303
     * 2.业务校验  根据订单号查询支付单
     *  2.1 校验支付单的状态是否是待支付，如果不是，---不能发起支付（重复支付）
     *  2.2 不同的支付方式，不同的支付接口
     *
     * 3.触发支付
     * 4.将支付的响应结果返回
     * @param dto
     * @return
     */
    @Override
    public String apply(PayApplyDto dto) {
        //校验支付订单是否存在
        PayOrder payOrder =selectByOrderNo(dto.getOrderNo());
        AssertUtil.isNotNull(payOrder,"支付订单不存在");
        //校验支付订单是否是待支付状态
        boolean b = payOrder.getPayStatus() == PayOrder.STATE_WAIT_PAY;
        AssertUtil.isTrue(b,"有内鬼，终止交易");
        //1 支付宝方式
        if(payOrder.getPayType()==1){
        //调用支付宝接口
            return alipay(payOrder,dto);

        }
        return null;
    }

    private String alipay(PayOrder payOrder, PayApplyDto dto) {
        AlipayInfo info = alipayInfoService.selectOne(null);
        Factory.setOptions(getOptions(info));
        try {
            // 2. 网页端支付
            Client page = Factory.Payment.Page();
            //封装支付相关参数，发起支付
            AlipayTradePagePayResponse response = page.pay(
                    payOrder.getSubject(),
                    payOrder.getOrderNo(),
                    payOrder.getAmount().toString(),
                    StringUtils.isEmpty(dto.getCallUrl())?info.getReturnUrl():dto.getCallUrl()//同步回调地址
            );
            // 3. 处理响应或异常
            if (ResponseChecker.success(response)) {
                System.out.println("调用成功");
                return response.getBody();//Form表单
            } else {
                System.err.println("调用失败，原因：");
                throw new GlobalException("支付调用失败！！！");
            }
        } catch (Exception e) {
            System.err.println("调用遭遇异常，原因：" + e.getMessage());
            throw new RuntimeException(e.getMessage(), e);
        }
    }
    public Config getOptions(AlipayInfo info) {
        Config config = new Config();
        config.protocol = info.getProtocol();
        config.gatewayHost = info.getGatewayHost();//沙箱API地址
        config.signType = info.getSignType();
        config.appId = info.getAppId();
        // 为避免私钥随源码泄露，推荐从文件中读取私钥字符串而不是写入源码中
        config.merchantPrivateKey = info.getMerchantPrivateKey();
        //注：如果采用非证书模式，则无需赋值上面的三个证书路径，改为赋值如下的支付宝公钥字符串即可
        config.alipayPublicKey = info.getAlipayPublicKey();
        //可设置异步通知接收服务地址（可选）
        config.notifyUrl = info.getNotifyUrl();
        //可设置AES密钥，调用AES加解密相关接口时需要（可选）
        config.encryptKey = "";
        return config;
    }

    /**
     * 支付成功后的操作
     * @param dto
     * @return
     * @throws
     */
    @Override
    public String notify(AlipayNotifyDto dto) throws Exception {
        // 我们收到了支付宝的异步通知
        // 1.需要校验身份
        String jsonString = JSON.toJSONString(dto);
        Map<String,String> dtoMap = JSONObject.parseObject(jsonString, Map.class);
        //... ... 接收到的所有参数放入一个Map中
        Boolean isValid = Factory.Payment.Common().verifyNotify(dtoMap);
        if(!isValid){
            return "Fail";// 有可能信息被篡改，需要支付宝重新通知我
        }
        // 2.校验是否是我们的订单
        PayOrder payOrder = selectByOrderNo(dto.getOut_trade_no());
        if(payOrder== null){
            return "Fail";
        }
        if(payOrder.getPayStatus() == PayOrder.STATE_CANCEL){//如果支付单已经被取消，但是支付宝支付成功的消息回来了
            try {
                log.info("调用支付宝退款！！");
                //调用退款
                AlipayTradeRefundResponse refund = Factory.Payment.Common()
                        .refund(payOrder.getOrderNo(), payOrder.getAmount().toString());
            } catch (Exception e) {
                e.printStackTrace();
                /**
                 * 做兜底
                 * 2.保存要取消支付单的记录到数据库，运维人员来人工跟进
                 * 3.给运维人员发站内信，邮件，消息---- 对接钉钉推销
                 */
            }
            return "success";
        }


        if(payOrder.getPayStatus() != PayOrder.STATE_WAIT_PAY){
            return "Fail";
        }

        String trade_status = dto.getTrade_status();
        if(!trade_status.equals(AlipayNotifyDto.TRADE_SUCCESS)){
            return "Fail";
        }

        //处理支付成功之后的业务逻辑=============================
        //1.修改支付单状态
        payOrder.setPayStatus(PayOrder.STATE_PAY_SUCCESS);
        payOrder.setUpdateTime(new Date());
        //updateById(payOrder); 不能在这里该，应该交给事务监听器，在事务监听器中执行本地事务
        //@TODO 保存支付流水 。。。
        //=============================================
        // 发布事务消息  消息体需要字段： 订单号   购买人   课程id
        PayNotifyDto payNotifyDto = new PayNotifyDto(
                payOrder.getOrderNo(),
                payOrder.getExtParams()
        );

        log.info("发送支付成功通知事务消息");
        //构建消息体
        Message<String> message = MessageBuilder.withPayload(JSON.toJSONString(payNotifyDto)).build();
        TransactionSendResult transactionSendResult = rocketMQTemplate.sendMessageInTransaction(
                "service-pay-tx-group",//要和监听器上注解申明的名字一致
                "pay-notify-topic:pay-notify-tag",
                message,  //消息体
                payOrder   //额外参数
        );
        log.info("发送完支付异步通知事务消息--检查事务消息状态");
        LocalTransactionState localTransactionState = transactionSendResult.getLocalTransactionState();
        SendStatus sendStatus = transactionSendResult.getSendStatus();
        if(localTransactionState != LocalTransactionState.COMMIT_MESSAGE || sendStatus != SendStatus.SEND_OK ){
            log.info("校验发送事务消息状态异常");
            throw new GlobalException("处理支付成功结果失败！！");
            //@TODO 向数据库记录：支付宝已经回到了我们，但是我们没有发布消息成功
        }

        //2.修改订单状态
        //3.添加用户的课程购买记录
        return "success";
    }

    @Override
    public void cancelOrder(String orderNo) {
        PayOrder payOrder = selectByOrderNo(orderNo);
        //取消支付单
        if(payOrder.getPayStatus().intValue() == PayOrder.STATE_WAIT_PAY){
            payOrder.setPayStatus(PayOrder.STATE_CANCEL);
            updateById(payOrder);
        }
        //调用支付宝，关闭支付
        try {
            AlipayTradeCloseResponse close = Factory.Payment.Common().close(orderNo);
        } catch (Exception e) {
            e.printStackTrace();
            /**
             * 做兜底
             * 1.重试3次
             * 2.保存要取消支付单的记录到数据库，运维人员来人工跟进
             * 3.给运维人员发站内信，邮件，消息---- 对接钉钉推销
             */
        }
    }


}
